3.4.21.64	?	x * 28900, SDS-PAGE	753851	
3.4.21.64	?	x * 65500, precursor-protein, calculated, x * 34000, mature protein, SDS-PAGE	668577	
3.4.21.64	monomer	1 * 28930, Tritirachium album, amino acid sequence analysis	29505	
3.4.21.64	monomer	proteinase K is a monomeric and globular protein with 279 amino acid residues	753872	
3.4.21.64	additional information	the enzyme is a medium-sized globular protein (279 amino acids)	753942